On Fri, 2006-01-06 at 20:45 +0100, Miroslav Zajíc wrote: > I try u suggestion, but not success. > echo 50 > /sys/class/spi_transport/target0:0:0/period > This dont change content and is still on 100. It's not supposed to. The content reflects the current rate. Unless you send an I/O to the device to force a negotiation to occur, it won't change. So you need to do echo 50 > /sys/class/spi_transport/target0:0:0/period fdisk /dev/sda cat /sys/class/spi_transport/target0:0:0/period the fdisk will force a partition table read down to the device. James - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html